SHIMANO BT-DN320 Di2 Built-in battery

SHIMANO BT-DN320 Di2 Built-in battery

7.6 V 2.32 Wh

Battery Protection: The battery is safely enclosed in a sealed compartment that will stand up to rough terrain and can be completely removed for charging.

 » LONG LASTING: 305mAh means you can ride longer on a single charge.